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Phil Knight

Born: Feb. 24, 1938Founder and chairman of Nike, Inc., the multi-billion dollar shoe and fitness company founded in 1972 and based in Beaverton, Ore. ; named “The Most Powerful Man in Sports” by…

DK Science: Earth's Resources

MININGFOSSIL FUELSFIND OUT MOREThe Earth has many natural resources that make life in the modern world possible. For example, rocks are used in their natural state to make buildings, but…

metallurgy

(Encyclopedia) metallurgymetallurgymĕtˈəlûrˌjē [key], science and technology of metals and their alloys. Modern metallurgical research is concerned with the preparation of radioactive metals, with…

assaying

(Encyclopedia) assayingassayingəsāˈyĭng, ăsˈāyĭng [key], in metallurgy, process of determining the specific metallic content of an ore, alloy, or other substance, especially one containing precious…

smelting

(Encyclopedia) smelting, in metallurgy, any process of melting or fusion, especially to extract a metal from its ore. Smelting processes vary in detail depending on the nature of the ore and the…

Christa McAuliffe

Name at birth: Sharon Christa CorriganChrista McAuliffe was a high school teacher from Concord, New Hampshire who died with six other astronauts in the 1986 explosion of the U.S. space shuttle…

James Smithson

Name at birth: James Lewis MacieJames Smithson was an English chemist and mineralogist who left his fortune to the United States to found what became the Smithsonian Institution. Smithson was born…

cyanide process

(Encyclopedia) cyanide process or cyanidation, method for extracting gold from its ore. The ore is first finely ground and may be concentrated by flotation; if it contains certain impurities, it may…

America's Top Ten Greenest Buildings

From Almaden Tower to the Rocky Mountain Institute Boulder Office, these are the ten most eco-friendly buildings of 2008 by Liz Olson Related Links Building Green…